Description

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.0.5 and 5.8.7, an out-of-bounds read in the auth module of Kamailio (formerly OpenSER and SER) allows remote attackers to cause a denial of service (process crash) via a specially crafted SIP packet if a successful user authentication without a database backend is followed by additional user identity checks. This vulnerability is fixed in 6.0.5 and 5.8.7.

INFO

Published Date :

2026-04-08T19:58:08.565Z

Last Modified :

2026-04-08T20:19:53.226Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-39864 vulnerability.

Vendors Products
Kamailio
  • Kamailio
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-39864.

URL Resource
https://github.com/kamailio/kamailio/security/advisories/GHSA-6m86-m342-g48m cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Privileges Required
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